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pentax 18-55 is nearly full open much mor sharper, especially in the corners. red fringings wide ope with 18mm

trentdp

Registered: September 2006Posts: 26

Sigma 18-50mm f/3.5-5.6 DC review by trentdp

Review Date: 1/5/2007

Would you recommend the product? Yes |
Total Spent: $125.00| Rating: 8

Pros:

Great walk around lens when you want to travel light

Cons:

Rotating lens

I must have been fortunate enough to get a really good copy of this lens because it has been a pleasure to use and the quality of pictures is much better than you may have read from other reviewers. I like this lens much better than the Nikon kit lens on the D50 as it has much better build quality and comparable image quality.
If you are on a strict budget, don't hesitate to buy this one as you will most likely not be disappointed. You can buy this lens used for about $70 at your local camera shop so this is a way you can limit your investment and still have a good lense to get started.

llbeanie1

Registered: November 2006Posts: 17

Sigma 18-50mm f/3.5-5.6 DC review by llbeanie1

Review Date: 1/1/2007

Would you recommend the product? Yes |
Total Spent: None indicated| Rating: 8

Pros:

Cons:

good cheap lens

spender

Registered: May 2006Posts: 1

Sigma 18-50mm f/3.5-5.6 DC review by spender

Review Date: 5/21/2006

Would you recommend the product? Yes |
Total Spent: None indicated| Rating: 9

Pros:

Image quality, color, contrast, price!

Cons:

corner sharpness;

I own this lens since half a year and compared it to a hand full other lenses including nikkor 50 , 1,8 and i can say, that on a d50 the results are excellent even compared with the 50mm, 1,8. Given the price tag this lens is not to beat. Sharpness and contrast are excellent. Only the coners drop a little, but nothing to concern. Some of the guys that worry about this jewel , havern´t ever tried it or or too snobby with their 17-55 ´s.

minimax

Registered: April 2006Posts: 1

Sigma 18-50mm f/3.5-5.6 DC review by minimax

Review Date: 4/20/2006

Would you recommend the product? No |
Total Spent: None indicated| Rating: 2

Pros:

Mechanics is quite ok for the prize, it has a REAL focus ring,

Cons:

Less than average imaage quality

I just bought it as a 2nd lens in addition to my 28 -135 IS. It was cheap, so I did not expect stellar image quality. But this lens is really nasty, it has an allways unsharp area about 10% from the left hand, oddly its ok reight hand. Maybe de-centered?

This effect does not go by stopping down the lens.

If the image quality (in terms of resolution / sharpness / contrast) would be like on the right hand side, I'll rate it about 6 on that scale above

Pasma

Registered: December 2005Posts: 2

Sigma 18-50mm f/3.5-5.6 DC review by Pasma

Review Date: 12/27/2005

Would you recommend the product? Yes |
Total Spent: $130.00| Rating: 8

Pros:

Sharp

Cons:

Quality body

i like

Anakin

Registered: October 2005Posts: 5

Sigma 18-50mm f/3.5-5.6 DC review by Anakin

Review Date: 10/21/2005

Would you recommend the product? No |
Total Spent: None indicated| Rating: 2

Pros:

price

Cons:

range, aperture, construction, image quality, AF ,

very poor image quality
vignetting
very very slow AF

construction: plastic, when you touch it, you want to throw it in the bin.